870899135

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 1088930304

約数和(自身を除く): 218031169

約数列:

[1, 5, 61, 71, 131, 305, 307, 355, 655, 1535, 4331, 7991, 9301, 18727, 21655, 21797, 39955, 40217, 46505, 93635, 108985, 201085, 567361, 1329617, 2453237, 2836805, 2855407, 6648085, 12266185, 14277035, 174179827, 870899135]

約数ペア:

[(1, 870899135), (5, 174179827), (61, 14277035), (71, 12266185), (131, 6648085), (305, 2855407), (307, 2836805), (355, 2453237), (655, 1329617), (1535, 567361), (4331, 201085), (7991, 108985), (9301, 93635), (18727, 46505), (21655, 40217), (21797, 39955)]